sulphur-bottom


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sulphur-bottom

n
(Animals) another name for blue whale
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The agency said there were many sulphur-bottom whales and fin whales detected off Kamchatka, and speculated that baleen whale populations are also recovering.
Fujise said there are signs that populations of large whales, such as sulphur-bottom whales, are recovering.